The alt tag is part of the image HTML tag. Here is an example <img alt=”filing cabinet in row” src=”http://madlemmings.com/wpcontent/uploads/2013/07/filing-cabinets-row.jpg” >
7. Put keywords more towards the beginning 8. Try to write a relevant description which is also related to the page (if possible) 9. Always use the alt attribute for images you want indexed in search engines (ie. images used in your sites background/construction etc can be ignored) The following is an Alt tag checker for checking your webpages to ensure you have them. http://www.feedthebot.com/tools/alt/